43256130624 has 896 divisors, whose sum is σ = 161958528000. Its totient is φ = 11412430848.

The previous prime is 43256130623. The next prime is 43256130649. The reversal of 43256130624 is 42603165234.

43256130624 is a `hidden beast` number, since 4 + 3 + 2 + 561 + 30 + 62 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43256130623) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 816153382 + ... + 816153434.

Almost surely, 2^43256130624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43256130624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80979264000).

43256130624 is an abundant number, since it is smaller than the sum of its proper divisors (118702397376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

43256130624 is an frugal number, since it uses more digits than its factorization.

43256130624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 43256130624 its reverse (42603165234), we get a palindrome (85859295858).

The spelling of 43256130624 in words is "forty-three billion, two hundred fifty-six million, one hundred thirty thousand, six hundred twenty-four".